22418074 has 16 divisors (see below), whose sum is σ = 38520000. Its totient is φ = 9585504.

The previous prime is 22418069. The next prime is 22418083. The reversal of 22418074 is 47081422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5382 + ... + 8590.

It is an arithmetic number, because the mean of its divisors is an integer number (2407500).

Almost surely, 2^22418074 is an apocalyptic number.

22418074 is a deficient number, since it is larger than the sum of its proper divisors (16101926).

22418074 is a wasteful number, since it uses less digits than its factorization.

22418074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 22418074 is about 4734.7728562202. The cubic root of 22418074 is about 281.9677460889.

Adding to 22418074 its reverse (47081422), we get a palindrome (69499496).

The spelling of 22418074 in words is "twenty-two million, four hundred eighteen thousand, seventy-four".